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03-04-2010, 06:50 PM
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12psi boost
Join Date: Oct 2009
Location: Crewe, England
Posts: 356
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Right, I'm a little tired & pushed for time but to start you off a high idle & old looking vac. lines points me to the power steering idle up valve & it's lines.
If you look under the accordion hose (between air filter & turbo) there should be a 90 degree elbow with a vac. hose on which should be attached to the pas idle up valve on top of the pump, can be a little hard to see if it's off but it's round & has 2 vac nipples on top. one should go to the accordion hose as i said, the other runs round the steel pipe on the front of the engine about halfway down behind the fan belts, and then goes back to rubber and into another steel bunch of pipes. I can't remember 100% how it all goes but the tsrm helped me put my vac. system right along with some photos from another member which I'll try to find before I go home... hold on a sec...
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'89 MA70 Supra GT aero 3.0turbo JDM, Rebuilt motor, K&N intake, 3" stainless turbo-back. New turbo and braided line kit... '89 Honda NC27 400, NC23 cams, open pipe, PC36a shock & possibly Showa USD forks... '83 Yamaha 29R XJ750E-II, number 69 off the line, only runner in the country? Original except Koni shocks '95 Honda PC26 CB500R, Winter hack, hateful, trying to sell it I'm not paranoid, they really ARE after me!!! 
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03-04-2010, 07:00 PM
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#2 |
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12psi boost
Join Date: Oct 2009
Location: Crewe, England
Posts: 356
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Right some bits to be going on with...
http://www.cygnusx1.net/Supra/Librar...spx?F=2211&P=2 http://www.cygnusx1.net/Supra/Librar...spx?F=1708&P=3 Off the top of my head these are the diagrams I used to sort everything. Not sure where the photos went but I've gotta shoot now. I'll try and get back online over the weekend anyway, I've been away from here far too long!!! Oh, as for where to get the pipes from. You should be able to buy vacuum pipe from pretty much anywhere but seeing as there's so many different shapes/sizes & configurations on the supra I'd recommend replacing the lot with genuine toyota stuff if it all looks ropey. That way you know you're getting the right stuff & that it's going to last 20 years or so. The other option is if just one or two pipes are duff, buying a length of straight pipe from an accessories shop for pennies (take some old as a size guide) and use that. Right sorry, I really gotta shoot off now but hopefully I'll be here at the weekend. PS the steering idle up valve is bottom left (part "17630 valve") on the first pic, click on it to zoom in...
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'89 MA70 Supra GT aero 3.0turbo JDM, Rebuilt motor, K&N intake, 3" stainless turbo-back. New turbo and braided line kit... '89 Honda NC27 400, NC23 cams, open pipe, PC36a shock & possibly Showa USD forks... '83 Yamaha 29R XJ750E-II, number 69 off the line, only runner in the country? Original except Koni shocks '95 Honda PC26 CB500R, Winter hack, hateful, trying to sell it I'm not paranoid, they really ARE after me!!!
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03-07-2010, 01:57 PM
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#3 |
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Stock
Join Date: Feb 2010
Location: Gwinn Mi
Posts: 8
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where can i find Toyota Supra factory parts ? Thats really what id much rather do to begin with...
Thanks for the info btw.. Chi_Town |
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